Submission #1115335

---

Source Code Expand

#include<bits/stdc++.h>

using namespace std;

#define USE_IOSTREAM \
{\
	ios::sync_with_stdio(false);\
	cin.tie(0);\
	cout.tie(0);\
}

#define pii pair<int, int>
#define mp make_pair

typedef long long ll;



int main()
{
	USE_IOSTREAM;
	ll n, m, ans;
	
	cin >> n >> m;
	ans = min(n, m / 2);
	m -= ans * 2;
	ans += m / 4;
	
	cout << ans << endl;
	
	return 0;
}

Submission Info

Judge Result